Headline:
Hazardous Seas Warning issued October 3 at 9:13PM ChST until October 4 at 5:00AM ChST by NWS Tiyan GU
Event:
Hazardous Seas Warning
Urgency:
Expected
Effective:
October 3, 2026 - 4:13am
Expires:
October 3, 2026 - 12:00pm
Description:
* WHAT...Very steep and hazardous seas 12 to 16 feet and southwest
winds 20 to 30 kt with occasional gusts up to 40 kt.
* WHERE...Guam and Rota Coastal Waters.
* WHEN...Until 5 AM ChST Sunday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
* ADDITIONAL DETAILS...Hazardous sea conditions are expected to
continue over the coastal waters through early Sunday morning as
a strong monsoon surge continues well south of Typhoon Choi-wan
(26W). This Warning will later be replaced by a Small Craft
Advisory as combined seas gradually diminish below 15 feet.
Instruction:
A hazardous seas warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port...or take shelter until waves subside. Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.
Area Description:
Guam Coastal Waters; Rota Coastal Waters
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov